Switching-ripple-based current sharing for paralleled power converters
Author(s)Perreault, David J.; Sato, Kenji; Selders, Robert L., Jr.; Kassakian, John G.
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This paper presents the implementation and experimental evaluation of a new current-sharing technique for paralleled power converters. This technique uses information naturally encoded in the switching ripple to achieve current sharing and requires no intercell connections for communicating this information. Practical implementation of the approach is addressed and an experimental evaluation, based on a three-cell prototype system, is also presented. It is shown that accurate and stable load sharing is obtained over a wide load range. Finally, an alternate implementation of this current-sharing technique is described and evaluated.
DepartmentMassachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Laboratory for Electromagnetic and Electronic Systems
IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications
Institute of Electrical and Electronics Engineers (IEEE)
Perreault, D.J., K. Sato, R.L. Selders, and J.G. Kassakian. “Switching-Ripple-Based Current Sharing for Paralleled Power Converters.” IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications 46, no. 10 (1999): 1264–1274. © 1999 IEEE
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